Bug#956324: Clustalo bus error on mipsel (Was: Bug#956324: python-biopython: FTBFS on mipsel)

Hi Matthew,

many thanks again for your investigation.

On Sat, Apr 18, 2020 at 01:15:49PM -0700, Matthew Fernandez wrote:
> > Upstream is in the row of this investigation.  Its quite interesting
> > that the issue could also observed on amd64.  So probably this is a real
> > issue which is just exposed on mipsel.  I think just bumping the array
> > boundaries is cheap.  If there will be no response from upstream (or
> > somebody else who is comfortable with the algorithm which I'm not) I'll
> > check again on mipsel and in case it will work I'll upload.
> 
> Fair enough. While we’re discussing this, here’s another patch for a memory leak that fixes a typoed ifdef and a missing free():
> 
>     diff --git a/src/squid/clustal.c b/src/squid/clustal.c
>     index 650004a..bb1fec8 100644
>     --- a/src/squid/clustal.c
>     +++ b/src/squid/clustal.c
>     @@ -207,7 +207,7 @@ WriteClustal(FILE *fp, MSA *msa)
>        int    namelen;              /* maximum name length used      */
>        int    pos;                  /* position counter              */
>      #ifdef CLUSTALO
>     -  char  *buf;                  /* buffer for writing seq        */
>     +  char  *buf = NULL;                   /* buffer for writing seq        */
>        int    cpl = msa->alen<iWrap ? msa->alen+10 : (iWrap > 0 ? iWrap : 60);              /* char per line (< 64)          */
>      #else
>        char   buf[80];              /* buffer for writing seq        */
>     @@ -410,8 +410,9 @@ WriteClustal(FILE *fp, MSA *msa)
>      #endif
>          }
> 
>     -#ifdef CLUSTAL
>     +#ifdef CLUSTALO
>        free(piResCnt); piResCnt = NULL;
>     +  free(buf); buf = NULL;
>      #endif
> 
>        return;

I tried the suggested patches again step by step on mipsel but the bus
error issue remains. :-(

Kind regards

      Andreas.